define blindness
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legal blindness lack or loss of ability to see (see vision). Legally, blindness is defined as less than 20/200 vision in the better eye with glasses (vision of 20/200 is the ability to see at 20 feet only what the normal eye can see at 200 feet). A person with 20° or less vision (pinhole vision) is also legally blind.
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Inattentional blindness Inattentional blindness, also known as perceptual blindness, is a psychological lack of attention and is not associated with any vision defects or deficits. It may be further defined as the event in which an individual fails to recognize an unexpected stimulus that is in plain sight.
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- weather forecast weather maps weather radar take advantage of the florida weather in may with tourist season ending and hotel prices dropping it means the month of may in florida is more affordable florida weather in may has an average high temperature of 86 degrees and an average low temperature of 71the sun shines and we still have some tropical storms but the big difference is that the south florida tourist season is coming to an endeather forecast weather maps weather radar take advantage of the florida weather in may with tourist season ending and hotel prices dropping it means the month of may in florida is more affordable florida weather in may has an average high temperature of 86 degrees and an average low temperature of 71
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legal blindness blindness. lack or loss of ability to see (see vision). Legally, blindness is defined as less than 20/200 vision in the better eye with glasses (vision of 20/200 is the ability to see at 20 feet only what the normal eye can see at 200 feet). A person with 20° or less vision (pinhole vision) is also legally blind.
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Sex chromosome Color blindness, or color vision deficiency, is the inability or decreased ability to see color, or perceive color differences, under normal lighting conditions. Color blindness affects a significant percentage of the population.There is no actual blindness but there is a deficiency of color vision.The most usual cause is a fault in the development of one or more sets of retinal cones that perceive color in light and transmit that information to the optic nerve.olor blindness affects a significant percentage of the population. There is no actual blindness but there is a deficiency of color vision. The most usual cause is a fault in the development of one or more sets of retinal cones that perceive color in light and transmit that information to the optic nerve.
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- Color blindness, or color vision deficiency, is the inability or decreased ability to see color, or perceive color differences, under normal lighting conditions. Color blindness affects a significant percentage of the population.here is no actual blindness but there is a deficiency of color vision. The most usual cause is a fault in the development of one or more sets of retinal cones that perceive color in light and transmit that information to the optic nerve.
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- Color blindness (or color vision deficiency), is a condition where a person’s eyes are unable to see colors under normal light. People with color blindness have a hard time telling colors apart from each other.
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Translations for WILLFUL BLINDNESS Freebase (0.00 / 0 votes) Rate this definition: Willful blindness. Willful blindness is a term used in law to describe a situation in which an individual seeks to avoid civil or criminal liability for a wrongful act by intentionally putting his or herself in a position where he or she will be unaware of facts that would render him or her liable.
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blind 1a (1) : sightless (2) : having less than 1⁄10 of normal vision in the more efficient eye when refractive defects are fully corrected by lensesb : of or relating to sightless persons. 2a : unable or unwilling to discern or judge blind to a lover's faultsb : unquestioning blind loyalty.
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- Color blindness means that you have trouble seeing red, green, or blue or a mix of these colors. It's rare that a person sees no color at all. Color blindness is also called a color vision problem. A color vision problem can change your life. It may make it harder to learn and read, and you may not be able to have certain careers. But children and adults with color vision problems can learn to make up for their problems seeing color.
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blindness Legal blindness is defined as best corrected visual acuity less than 20/200 in the better eye or marked constriction of the visual fields. (1) Lack of visual perception due to structural or functional defects, which can occur anyplace from the eyelids to the visual cortex.
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- A cataract is an abnormality of the lens in which an opacity, or a cloudy change, prevents light from reaching the retina. Cataracts can develop in one or both eyes, and can lead to blindness. A cataract can take on a variety of appearances. The cataract might start as small dots that progress to include larger areas of the lens. The rate of progression is difficult to predict and might be very slow or very fast.
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blind spot blind spot. n. 1. (Physiology) a small oval-shaped area of the retina in which vision is not experienced. It marks the nonphotosensitive site of entrance into the eyeball of the optic nerve. See optic disc.
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- Blindness is the inability to see anything, even light. If you’re partially blind, you have limited vision. For example, you may have blurry vision or the inability to distinguish the shapes of objects. Complete blindness means that you can’t see at all and are in total darkness. Legal blindness refers to vision that’s highly compromised. What a person with healthy eyes can see from 200 feet away a legally blind person can see only from 20 feet away.
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Blindness and vision loss Blindness and vision loss. Blindness is a lack of vision. It may also refer to a loss of vision that cannot be corrected with glasses or contact lenses. 1  Partial blindness means you have very limited vision.  Complete blindness means you cannot see anything and do not see light. (Most people who use the term blindness mean complete blindness.)
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- Conditions that cause temporary blindness may require surgery to return vision. Overview. Doctors define legal blindness as 20/200 vision or worse. The numbers mean that someone with perfect 20/20 vision can see objects from 200 feet; someone with 20/200 vision can only see objects from 20 feet.
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Our Readers Want to Know: What Is the Difference Between Low Vision and Legal Blindness? Here is the acuity definition: A visual acuity of 20/200 or less in the better-seeing eye with best conventional correction (meaning with regular glasses or contact lenses).. What that means is that neither eye can see better than 20/200 in order to be considered legally blind.
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color blindness legal blindness that defined by law, usually, maximal visual acuity in the better eye after correction of 20/200 with a total diameter of the visual field in that eye of 20°. night blindness see night blindness. object blindness (psychic blindness) visual agnosia. red blindness popular name for protanopia.
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- Definition of blind. 1  1a (1) : sightless (2) : having less than 1⁄10 of normal vision in the more efficient eye when refractive defects are fully corrected by lensesb : of or relating to sightless persons. 2  2a : unable or unwilling to discern or judge blind to a lover's faultsb : unquestioning blind loyalty.
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Our Readers Want to Know: What Is the Difference Between Low Vision and Legal Blindness? Here is one definition of low vision, related to visual acuity 1  : Low vision is a condition caused by eye disease, in which visual acuity is 20/70 or poorer in the better-seeing eye and cannot be corrected or improved with regular eyeglasses. ( 2 Scheiman, Scheiman, and Whittaker).
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Blindness A blind individual is unable to see. In a strict sense the word blindness denotes the inability of a person to distinguish darkness from bright light in either eye. The terms blind and blindness have been modified in our society to include a wide range of visual impairment.
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- blind. 1  unable to see; lacking the sense of sight; sightless: a blind man. 2  unwilling or unable to perceive or understand: They were blind to their children's faults. He was blind to all arguments. 3  not characterized or determined by reason or control: blind tenacity; blind chance.
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Our Readers Want to Know: What Is the Difference Between Low Vision and Legal Blindness? Here is one definition of low vision, related to visual acuity: Low vision is a condition caused by eye disease, in which visual acuity is 20/70 or poorer in the better-seeing eye and cannot be corrected or improved with regular eyeglasses. (Scheiman, Scheiman, and Whittaker)
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Eyes Use Eyes in a sentence. See also anatomy; blindness; body, human; facial features. achromatopsia color blindness. Also called acritochromacy. acyanoblepsia a form of color blindness characterized by the inability to see blue. aniseikonia a defect of the eyesight in which the images on the retinas are different in size.
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Sex chromosome Color blindness, or color vision deficiency, is the inability or decreased ability to see color, or perceive color differences, under normal lighting conditions. Color blindness affects a significant percentage of the population.There is no actual blindness but there is a deficiency of color vision. The most usual cause is a fault in the development of one or more sets of retinal cones that perceive color in light and transmit that information to the optic nerve.This type of color blindness is usually a sex-linked condition.here is no actual blindness but there is a deficiency of color vision. The most usual cause is a fault in the development of one or more sets of retinal cones that perceive color in light and transmit that information to the optic nerve.
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blind spot blind′ spot`. n. 1. a small area of the retina, where it continues to the optic nerve, that is insensitive to light. 2. an area about which one is uninformed or unappreciative. blind spot. A point on the retina that is not sensitive to light.